diff --git a/floatimg.h b/floatimg.h
index e44e2ecb..86758e8e 100644
--- a/floatimg.h
+++ b/floatimg.h
@@ -20,7 +20,7 @@
  *	https://git.tetalab.org/tTh/FloatImg
  */
 
-#define		FIMG_VERSION	(237)
+#define		FIMG_VERSION	(242)
 #define		RELEASE_NAME	("noname")
 #define		PATCH_LEVEL	("aaaa")
 
@@ -72,7 +72,7 @@ typedef struct {
  *	fimg file header (short version)
  */
 typedef struct {
-	char		magic[8];	// this is not an asciiz !
+	char		magic[8];	/* this is not an asciiz ! */
 	int32_t		w, h, t;
 	/*
 	 *  what about the packing ?
@@ -192,7 +192,6 @@ int fimg_split_level(FloatImg *src, FloatImg *dst, int notused);
 int fimg_make_triptyq(FloatImg *src, FloatImg *dst, int notused);
 
 /*	funcs/rotate.c module		*/
-/*	#coronamaison			*/
 int fimg_rotate_90(FloatImg *src, FloatImg *dst, int notused);
 
 int fimg_killrgb_v(FloatImg *src, FloatImg *dst, int k);
@@ -261,7 +260,6 @@ int fimg_halfsize_1(FloatImg *src, FloatImg *dst, int notused);
 int fimg_extractor(FloatImg *in, FloatImg *out, FimgArea51 *rect);
 int fimg_mirror(FloatImg *src, FloatImg *dst, int notused);
 
-
 int fimg_incrustator_0(FloatImg *psrc, FloatImg *pdst,
 				int xpos, int ypos, int flags);
 
@@ -285,6 +283,9 @@ int fimg_show_metadata(FimgMetaData *pmd, char *title, int notused);
 int fimg_default_metadata(FimgMetaData *pmd, int bla);
 int fimg_get_metadata_from_file(char *fname, FimgMetaData *pmd);
 
+/*
+ *	FITS, an image fileformat for astronomy
+ */
 int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags);
 int fimg_save_G_as_fits(FloatImg *src, char *outname, int flags);
 int fimg_save_B_as_fits(FloatImg *src, char *outname, int flags);
@@ -293,7 +294,6 @@ int fimg_save_plane_as_fits(FloatImg *src, char *oname, char plane, int flags);
 int fimg_write_as_tiff(FloatImg *src, char *fname, int flags);
 int fimg_save_as_exr(FloatImg *src, char *outname, int flags);
 
-
 /*	mathematics operations 				*/
 float fimg_get_plane_maxvalue(FloatImg *psrc, char plane);
 float fimg_get_maxvalue(FloatImg *head);